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Comutador eletrônico de taps aplicado a um transformador de distribuição monofásico
(Universidade Federal de Santa Maria, 2014-02-27)
Voltage regulation still is a problem faced by power utilities currently. In addition to the series
impedance and the significant load variation of the distribution grids, the main causes of voltage
regulation problems, ...
Contribuições ao estudo de conversores CC–CC com processamento parcial de energia aplicados a sistemas fotovoltaicos
(Universidade Federal de Santa Maria, 2017-12-18)
This work presents some conceptual and practical contributions about the use of series-regulated
DC/DC converters in multi-string photovoltaic systems, which have been presented in the literature
as capable of performing ...
Técnicas para otimização de conversores da família boost com alto ganho de tensão e alto rendimento aplicados à célula a combustível
(Universidade Federal de Santa Maria, 2019-02-28)
In this work, it is proposed methodologies for design optimization of high gain boost static converters
applied to fuel cells. In this aplication, two types of boost converters are evaluated.
The first one is based on ...
Inversor multiníveis quasi-Z-source com fonte CC única e compartilhamento de potência ativa entre os módulos
(Universidade Federal de Santa Maria, 2019-07-26)
Due to its ability to provide Maximum Power Point Tracking (MPPT) control and independent
regulation of the DC bus voltage, this makes the inverter quasi-Z-Source (qZS) an attractive
candidate for applications in ...
Contribuição ao estudo do conversor multinível híbrido em cascata monofásico empregado na interface entre fonte fotovoltaica, banco de baterias e rede elétrica.
(Universidade Federal de Santa Maria, 2017-08-30)
This master thesis presents an energy management strategy in order to eliminate power fluctuations
from a photovoltaic source through a single-phase cascade hybrid multilevel grid-tie
converter associated with a battery ...
Microinversores baseados na topologia meia-ponte isolada alimentada em corrente
(Universidade Federal de Santa Maria, 2018-07-25)
The Microinverter is an inverter sized to meet individual solar panels, usually consisting of two stages, one DC-DC stage and another CC-AC stage. For the first stage of the DC link microinverter, the isolated current-fed ...
Metodologia de otimização de conversores estáticos com paralelismo de células boost aplicado à célula a combustível
(Universidade Federal de Santa Maria, 2019-02-28)
This thesis presents an optimized design methodology for non-isolated static converters with Nboost
cells in parallel, that process energy between a renewable energy source and a DC bus. The
method scans for the best ...
O uso de modalidades tarifárias para redução do impacto causado pelo carregamento de veículos elétricos ao sistema de distribuição
(Universidade Federal de Santa Maria, 2019-12-12)
The growing need for more efficient ways of transport and the manage of natural resources represents an important factor in the technological development of many areas of expertise. This necessity puts Electric Vehicles ...
Análise, projeto e implementação de um arranjo flexível de conversores estáticos para sistemas de conversão de energia eólica conectados à rede
(Universidade Federal de Santa Maria, 2013-07-29)
This Thesis deals with the analysis, design and implementation of a flexible arrangement
of static converters for grid connected Wind Energy Conversion Systems (WECS). The
main features of the proposed flexible arrangement ...
Desenvolvimento de um sistema de controle e supervisão de inversor para turbinas eólicas
(Universidade Federal de Santa Maria, 2017-01-20)
The worldwide interest in renewable energy has increased, with a large emphasis on wind energy. In this sense, this work presents the supervision and control of an inverter for wind turbines. It uses a three-phase PWM ...